[ruby-dev:15179] make test fails at gc #2 test on NetBSD

早坂@北陸先端といいます.

$ ./ruby -v
ruby 1.7.2 (2001-11-15) [i386-netbsdelf]

$ gmake test
test failed
gmake: *** [test] Error 1

$ ./ruby sample/test.rb 
assignment
ok 1
ok 2
...
gc
ok 1
Illegal instruction (core dumped)

$ gdb ./ruby ruby.core 
GNU gdb 5.0-nb1
Copyright 2000 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-unknown-netbsdelf"...
Core was generated by `ruby'.
Program terminated with signal 4, Illegal instruction.
Reading symbols from /usr/libexec/ld.elf_so...done.
Loaded symbols for /usr/libexec/ld.elf_so
Reading symbols from /usr/lib/libcrypt.so.0...done.
Loaded symbols for /usr/lib/libcrypt.so.0
Reading symbols from /usr/lib/libm387.so.0...done.
Loaded symbols for /usr/lib/libm387.so.0
Reading symbols from /usr/lib/libm.so.0...done.
Loaded symbols for /usr/lib/libm.so.0
Reading symbols from /usr/lib/libc.so.12...done.
Loaded symbols for /usr/lib/libc.so.12
#0  0x806d220 in mark_entry (key=9826, value=135897368) at gc.c:492
492         rb_gc_mark(value);
(gdb) bt
#0  0x806d220 in mark_entry (key=9826, value=135897368) at gc.c:492
#1  0x80b652a in st_foreach (table=0x824f400, func=0x806d214 <mark_entry>, 
    arg=0x0) at st.c:493
#2  0x806d257 in rb_mark_tbl (tbl=0x824f400) at gc.c:501
#3  0x806d930 in rb_gc_mark_children (ptr=135897344) at gc.c:752
#4  0x806d3fc in rb_gc_mark (ptr=135897344) at gc.c:562
#5  0x806d226 in mark_entry (key=9826, value=135897344) at gc.c:492
#6  0x80b652a in st_foreach (table=0x824f420, func=0x806d214 <mark_entry>, 
    arg=0x0) at st.c:493
#7  0x806d257 in rb_mark_tbl (tbl=0x824f420) at gc.c:501
#8  0x806d930 in rb_gc_mark_children (ptr=135897320) at gc.c:752
#9  0x806d3fc in rb_gc_mark (ptr=135897320) at gc.c:562
#10 0x806d226 in mark_entry (key=9826, value=135897320) at gc.c:492
#11 0x80b652a in st_foreach (table=0x824f440, func=0x806d214 <mark_entry>, 
    arg=0x0) at st.c:493
#12 0x806d257 in rb_mark_tbl (tbl=0x824f440) at gc.c:501
#13 0x806d930 in rb_gc_mark_children (ptr=135897296) at gc.c:752
#14 0x806d3fc in rb_gc_mark (ptr=135897296) at gc.c:562
#15 0x806d226 in mark_entry (key=9826, value=135897296) at gc.c:492
#16 0x80b652a in st_foreach (table=0x824f460, func=0x806d214 <mark_entry>, 
    arg=0x0) at st.c:493
#17 0x806d257 in rb_mark_tbl (tbl=0x824f460) at gc.c:501
#18 0x806d930 in rb_gc_mark_children (ptr=135897272) at gc.c:752
...

NetBSD-1.5.2/current で起きます. でも Linux や Solaris では起きない
みたいです. ruby 1.7.2 (2001-11-08) のバージョンでは起きません.

僕の環境では test.rb 1338 行目

100000.times {

の 100000 を 8709 より大きくすると発生します.

-------
HAYASAKA, Ryo (早坂 良)
mailto:[e-mail] http://www.jaist.ac.jp/%7Eryoh/
Japan Advanced Institute of Science and Technology (JAIST)